Easy to use, just screw the threaded drill bit into the hole saw and secure the hex shank to the drill bit. This drill rod is safe and reliable to use; it holds the hole saw securely, ensuring it stays in place and does not slip during drilling. Easy to carry, it fits easily into any tool bag.Compatibility: Compatible with hole saws minimum 14mm (9/16"") and up to 30" (1.3/16""); cutting depth 1-3/8" (35mm): 1-1/2" (38mm): 1-3/47 (44mm) and 1-27/32 (47mm). 5. Diameters from 9/16 in. (14 mm) -- 9-27/32 in. (250 mm). Shank hole saws have all the same specifications as hole saws.This hole saw spindle is suitable for use with Starrett Fast Cutting (FCH), Carbide Handled (CT), Diamond Cutting. Can be used with portable electric or pneumatic tools, vertical drill presses, lathes, boring machines/milling machines and other machine tools. Cuts pipe in stainless steel and other materials, lumber with embedded nails, hardwood flooring, plywood and plastic. Ideal for mechanics, construction workers, carpenters, homeowners or anyone who wants to work in a convenient and easy way, saving time and energy. Suitable for bimetal and tungsten carbide hole saws. Hole Saw Arbors are used with Eurocut Hole Saws and all other brands.